Introduction
Welcome to the Fire-Boltt Ninja Call Pro Smartwatch user manual. This guide provides essential information for setting up, operating, and maintaining your new smartwatch. The Fire-Boltt Ninja Call Pro is a feature-rich Bluetooth calling smartwatch designed to enhance your daily life with its 1.69-inch HD display, AI Voice Assistant, comprehensive health monitoring, and over 100 sports modes.
What's in the Box
Upon unboxing your Fire-Boltt Ninja Call Pro Smartwatch, you should find the following items:
- Fire-Boltt Ninja Call Pro Smartwatch
- Charging Cable
- User Manual (this document)

Image: The Fire-Boltt Ninja Call Pro Smartwatch, its charging cable, and the user manual as found in the product packaging.
Setup Guide
1. Charging the Smartwatch
Before initial use, fully charge your smartwatch. Connect the magnetic charging cable to the charging points on the back of the watch and plug the USB end into a power adapter (not included) or a computer's USB port. A full charge typically takes approximately 2 hours.
2. Powering On/Off
- To Power On: Press and hold the side button until the Fire-Boltt logo appears.
- To Power Off: Press and hold the side button, then select the power off option on the screen.
3. App Installation and Pairing
To unlock all features and synchronize data, download the companion app (typically "Da Fit" as mentioned in reviews) on your smartphone. Search for "Da Fit" in your device's app store (Google Play Store for Android or Apple App Store for iOS).
- Install the "Da Fit" app on your smartphone.
- Open the app and follow the on-screen instructions to create an account or log in.
- Ensure Bluetooth is enabled on your smartphone.
- In the app, navigate to "Add Device" or a similar option and select "Ninja Call Pro" from the list of available devices.
- Confirm the pairing request on both your phone and the smartwatch.
4. Bluetooth Calling Setup
For Bluetooth calling functionality, an additional pairing step is required:
- After initial pairing, go to your smartphone's Bluetooth settings.
- Look for a second "Ninja Call Pro" or "FB Audio" device and connect to it. This enables the audio channel for calls.
- Grant necessary permissions in the "Da Fit" app for contact synchronization and call history access.

Image: The smartwatch interface showing options for quick dial, call history, and contact synchronization for Bluetooth calling.
Operating the Smartwatch
Display and Navigation
The Fire-Boltt Ninja Call Pro features a 1.69-inch HD touch display with a resolution of 240x280 pixels. Navigate the watch by swiping across the screen and using the side button.
- Swipe Up/Down: Access quick settings or notifications.
- Swipe Left/Right: Cycle through widgets like activity tracking, heart rate, weather, etc.
- Tap: Select an option or open an application.
- Side Button: Press to return to the home screen or wake the display. Long press for power options.

Image: The smartwatch display showcasing its 1.69-inch screen size and clear resolution.
Bluetooth Calling
Once paired correctly, you can make and receive calls directly from your wrist. Use the integrated dial pad, access recent calls, or sync contacts from your phone via the "Da Fit" app.

Image: The smartwatch screen showing a numeric dial pad for making calls directly from the wrist.
AI Voice Assistant
Activate the built-in AI Voice Assistant to perform various tasks using voice commands. This feature allows for hands-free control, such as making calls, controlling music playback, setting alarms, or getting quick information.

Image: The smartwatch showing the AI Voice Assistant, ready to receive voice commands for tasks like checking weather or playing music.
Health Monitoring
The smartwatch offers comprehensive health tracking features:
- SpO2 Monitoring: Measures blood oxygen saturation levels.
- Heart Rate Tracking: Provides dynamic, real-time heart rate monitoring throughout the day.
- Sleep Monitoring: Analyzes sleep patterns, including light and deep sleep stages.
- Activity Tracker: Records steps, distance, and calories burned.
- Meditative Breathing: Guides you through breathing exercises for relaxation.

Image: The smartwatch showing various health metrics including SpO2 levels, sleep duration, and heart rate tracking.
Sports Modes
Track your workouts with over 100 sports modes, including running, cycling, swimming, and more. The watch provides personalized performance data and helps you track your fitness goals.

Image: The smartwatch interface showing a list of various sports modes available for tracking activities.
Smart Notifications
Receive notifications for calls, text messages, and social media apps directly on your smartwatch. Manage which app notifications appear through the "Da Fit" app settings.

Image: The smartwatch screen showing a message notification from a social application.
Inbuilt Games
The smartwatch includes several pre-installed games for entertainment during downtime.

Image: Two smartwatches displaying different built-in games available on the device.
Other Smart Features
The Fire-Boltt Ninja Call Pro also includes:
- Alarm & Stopwatch: Essential timekeeping tools.
- Weather Updates: Get current weather information (requires app sync).
- Drink Water Reminder: Prompts you to stay hydrated.
- Sedentary Reminder: Alerts you to move after periods of inactivity.
- Music Control: Control music playback on your smartphone.
- Camera Control: Remotely trigger your smartphone's camera.
- Female Health Care: Dedicated tracking for women's health.

Image: An overview of additional smart features available on the smartwatch.
Maintenance
Cleaning and Care
To ensure the longevity and proper functioning of your smartwatch:
- Wipe the screen and strap regularly with a soft, dry cloth.
- Avoid using harsh chemicals or abrasive materials for cleaning.
- Keep the charging contacts clean and dry.
Water Resistance (IP67)
The Fire-Boltt Ninja Call Pro is IP67 water-resistant, meaning it is protected against dust and can withstand immersion in water up to 1 meter for 30 minutes. It is suitable for daily use and light water exposure like hand washing or rain. However, it is not recommended for swimming, diving, or high-pressure water activities.

Image: The smartwatch demonstrating its IP67 water resistance with water droplets on its surface.
Troubleshooting
If you encounter any issues with your Fire-Boltt Ninja Call Pro Smartwatch, please refer to the official Troubleshooting Guide for detailed solutions. A PDF version is available for download:
Download Troubleshooting Guide (PDF)
Common issues and quick checks:
- Watch not turning on: Ensure it is fully charged.
- Bluetooth connection issues: Ensure Bluetooth is enabled on both devices and the watch is within range. Try restarting both the watch and your phone.
- Notifications not appearing: Check app permissions in your phone settings and within the "Da Fit" app. Ensure the app is running in the background.
- Inaccurate health data: Ensure the watch is worn snugly on your wrist, not too tight or too loose. Clean the sensors regularly.
Specifications
| Feature | Detail |
|---|---|
| Model Name | Ninja Call Pro (BSW053) |
| Display | 1.69-inch HD LCD, 240 x 280 Resolution, 300 Nit Brightness |
| Connectivity | Bluetooth |
| Battery Capacity | 280 mAh |
| Battery Life (Average) | 7 Days |
| Water Resistance | IP67 (1 Meter for 30 Minutes) |
| Health Monitoring | SpO2, Heart Rate, Sleep Monitor, Activity Tracker |
| Sports Modes | 100+ |
| Voice Assistant | AI Voice Assistant |
| Memory Storage | 128 MB |
| Compatible Devices | Android, iOS Smartphones |
| Band Material | Silicone |
| Case Material | Alloy |
| Item Weight | 46 Grams |
| Dimensions | 43 x 50 x 33 Millimeters |

Image: Size chart detailing strap width, total strap length, and compatible wrist sizes.
Warranty and Support
Your Fire-Boltt Ninja Call Pro Smartwatch comes with a 1-year brand warranty covering manufacturing defects. For warranty registration and support, please visit the official Fire-Boltt website or use the link below:
For further assistance, you can also refer to the complete User Manual (PDF):





